chore: prepare v1.0.3 release metadata

[Alexander Zaslonov (azaslonov)]

Summary

Prepare public source metadata for v1.0.3. This branch contains one commit based directly on public main and changes only package.json, package-lock.json, and CHANGELOG.md.

• Set the package, lockfile, and root package versions to 1.0.3; dependencies are unchanged.
• Add release notes for cross-service ARM ID handling, target-service diagnostic logger references (including workspaces and environment mapping), and WSDL XSD import normalization from PR fix: enable cross-service publish and WSDL re-import with external xsd:imports #285.
• No source, schema, dependency, or workflow changes; no new files.

Validation

• Structured package/lockfile checks: all version fields match 1.0.3; no non-version package fields changed.
• Exactly one v1.0.3 changelog section; git diff --check passed.
• Release-workflow agent prompt-length gate passed (1 agent file).
• The release workflow command node --test test/*.test.cjs exited successfully but discovered 0 tests; this is not claimed as test coverage. PR CI remains required.

Release Coordination

Keep this PR draft until the v1.0.3 npm release is ready to announce. Merging to main triggers the existing Squad Release workflow, which creates the annotated v1.0.3 Git tag and GitHub release if the tag does not exist. Do not create a competing tag manually.

This PR does not publish to npm. No tag, GitHub release, or npm publication has been created by this preparation.

Related Issue(s)

Release metadata for changes already merged in #285. No new issue is closed by this metadata-only PR.

[Copilot]

Copilot review overview

🟢 Approval recommended

The release metadata is consistent, scoped, and accurately summarizes PR #285.

Review effort: Balanced
Findings: None

What changed in this PR

Prepares consistent v1.0.3 release metadata for the fixes delivered in PR #285.

Changes:

• Bumps package and lockfile versions to 1.0.3.
• Documents cross-service publishing, diagnostic logger, and WSDL fixes.

File	Description
package.json	Updates the package version.
package-lock.json	Synchronizes lockfile version metadata.
CHANGELOG.md	Adds v1.0.3 release notes.

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